Clarifier design / 
Water Environment Federation 
 - 2nd ed. 
 - Maidenhead :  McGraw-Hill Professional,  2005 
 - xl, 496 p. :  ill. ;  24 cm. 
 - WEF manual of practice ;  no. FD-8 .
<br/><br/>Includes bibliographical refrences and index 
<br/><br/><label>ISBN: </label>0071464166 (hbk.)  RM550.02 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage clarifiers